package com.guomao.demo;

public class DemoB {


    public static void main(String[] args) {


        int i = fibonacci(200);
        System.out.println(i);

    }

    //在磁盘中存储的内容只有两种形式:要么是文件夹/目录 要么是 文件
    public static int fibonacci(int x) {
        if (x == 1 || x == 2) return 1;

        return fibonacci(x - 1) + fibonacci(x - 2);
    }
}
